Strong consensus that K2 MK-7 supports bone density and cardiovascular health, though rare side effects like palpitations noted.
Osteo-Nutrients by Vital Nutrients is a comprehensive bone-support formula combining calcium, magnesium, and vitamin D3 with vitamin K2 as MK-7 (menaquinone-7), the long-chain form of K2 recognized for its superior half-life and bioavailability compared to shorter-chain variants. Designed for adults seeking integrated support for skeletal integrity and calcium utilization, this formulation targets the full nutrient matrix that healthy bone metabolism requires.
Why It's Worth Considering: The inclusion of K2 as MK-7 specifically — rather than the less bioavailable MK-4 form — reflects the practitioner-grade standard Vital Nutrients maintains across its line, supporting proper calcium direction within the body.
Vitamin K1 (phylloquinone) is for blood clotting — abundant in leafy greens. Vitamin K2 (menaquinone) directs calcium metabolism — puts calcium in bones and keeps it out of arteries. Most people get enough K1 from diet but are deficient in K2, which is found mainly in fermented foods (natto, certain cheeses) and animal liver.
MK-7 is the most bioavailable and longest-acting form of K2, with a half-life of ~3 days (vs ~1 hour for MK-4). This means a single daily dose maintains therapeutic blood levels 24/7. MK-7 is derived from natto (fermented soybeans) and has the strongest clinical evidence for bone density and arterial health.
For general health with D3: 100-200mcg MK-7 daily. For osteoporosis: 180-360mcg. For cardiovascular calcification prevention: 180-200mcg. The dose should scale with your D3 intake — higher D3 doses require more K2 to handle the increased calcium absorption.
If you're on warfarin/Coumadin: NO — K2 counteracts warfarin and will destabilize your INR. Consult your cardiologist. If you're on newer anticoagulants (Eliquis/apixaban, Xarelto/rivaroxaban, Pradaxa/dabigatran): these are NOT vitamin K-dependent, so K2 is safe. Always confirm with your prescribing physician.
Ask Gabriel for personalized stacking recommendations.
No significant interactions identified. Always consult your healthcare provider.
† These statements have not been evaluated by the Food and Drug Administration. This product is not intended to diagnose, treat, cure, or prevent any disease.
